ittwxcust/pages/buy/buy.js

// pages/buy/buy.js
import { goodsList } from '../../api/index'
import { submitOrder } from '../../api/pay'
import { getAccountNmber } from '../../api/appointment'
const app = getApp()

Page({

  /**
   * 页面的初始数据
   */
  data: {
    count: 0,
    activeIndex: -1,
    goodsList: [],
    goodsId: '',
    orderAmount: '',
    num: '',
    appusername: '',
    appuserheadimg: '',
    from: '' // 从哪个页面进入的页面
  },

  /**
   * 生命周期函数--监听页面显示
   */
  onLoad(options) {
    console.log(options, 'options');
    this.getGoodsList()
    this.getAccountNmberFn()
    this.setData({
      from: options.from,
      appusername: app.globalData.userInfo.userName.length > 8 ? app.globalData.userInfo.userName.substring(0,4) : app.globalData.userInfo.userName,
      appuserheadimg: app.globalData.userInfo.headImg
    })
  },

  // 获取套餐次数
  getAccountNmberFn () {
    var that = this
    getAccountNmber({}).then(res => {
      that.setData({
        count: res.data
      })
    })
  },

  //获取套餐列表
  getGoodsList () {
    wx.showLoading({
      title: '加载中...',
      mask: true
    })
    goodsList({}).then(res => {
      wx.hideLoading()
      var response = res.data
      var recommendIndx = 0
      var recommendItem = response.find((item, index) => {
        recommendIndx = index
        return item.isRecommend == true
      })
      console.log(recommendItem,recommendIndx,'recommendItem');
      if (recommendItem) {
        this.setData({
          activeIndex: recommendIndx,
          goodsId: recommendItem.goodsId,
          orderAmount: recommendItem.salePrice,
          num: recommendItem.donateNumber + recommendItem.useNumber
        })
      } else {
        var choseItem = response[0]
        this.setData({
          activeIndex: 0,
          goodsId: choseItem.goodsId,
          orderAmount: choseItem.salePrice,
          num: choseItem.donateNumber + choseItem.useNumber
        })
      }
      this.setData({
        goodsList: response
      })
    }).catch(e => {
      wx.hideLoading()
      wx.showModal({
        content: e,
        confirmColor: '#333',
        showCancel: false
      })
    })
  },

  handlePayType (e) {
    var index = Number(e.currentTarget.dataset.index)
    var goodsInfo = e.currentTarget.dataset.goodsinfo
    console.log(goodsInfo, 'goodsInfo');
    this.setData({
      activeIndex: index,
      goodsId: goodsInfo.goodsId,
      orderAmount: goodsInfo.salePrice,
      num: goodsInfo.donateNumber + goodsInfo.useNumber
    })
  },
  // 调用微信支付
  handleWXPay () {
    var that = this
    var data = {
      goodsId: this.data.goodsId,
      orderAmount: this.data.orderAmount,
      num: 1
    }
    wx.showLoading({
      title: '加载中...',
      mask: true
    })
    submitOrder(data).then(res => {
      wx.hideLoading()
      // 拉起微信支付
      wx.requestPayment({
        timeStamp: res.data.timeStamp,
        nonceStr: res.data.nonceStr,
        package: res.data.packageStr,
        signType: res.data.signType,
        paySign: res.data.paySign,
        success (res) {
          that.getAccountNmberFn() 
          wx.showModal({
            title: '支付成功，立即去预约',
            confirmText: '去预约',
            confirmColor: '#333',
            cancelColor: '#666',
            success (modalRes) {
              if (modalRes.confirm) {
                if (that.data.from == 'appointment') {
                  wx.navigateBack()
                } else {
                  wx.navigateTo({
                    url: '/pages/appointment/appointment?from=buy'
                  })
                }
              }
            }
          })
        },
        fail (res) {
          wx.showToast({
            title: '支付失败',
            icon: "error"
          })
        }
      })
    }).catch(e => {
      wx.hideLoading()
      wx.showModal({
        content: e,
        confirmColor: '#333',
        showCancel: false
      })
    })
  }
})